23120 Rio Lobos Rd is a 1,747 square foot house on a 6,631 square foot lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Diamond Bar data, we estimate the home's value is $1,006,662.
Single-familyProperty Type
1984Year Built
6,631 sq ftLot Size
$576Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,006,662
$0 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.3% lower than the average sale price ($1.19M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$4,091 (+6.7%)
$101,543 + $186,320
$287,863
2024
$3,834 (+2.3%)
$101,543 + $186,320
$287,863
2023
$3,747 (+2.2%)
$99,552 + $182,667
$282,219
2022
$3,667 (+2.1%)
$97,600 + $179,086
$276,686
2021
$3,592 (+1.3%)
$95,687 + $175,575
$271,262
2020
$3,548 (+1.9%)
$93,811 + $172,133
$265,944
2019
$3,482 (+5.5%)
$92,850 + $170,368
$263,218
2018
$3,301 (+4.6%)
$91,030 + $167,028
$258,058
2017
$3,157 (+3.4%)
$87,497 + $160,543
$248,040
2016
$3,054 (−0.5%)
$87,497 + $160,543
$248,040
2015
$3,068 (−0.2%)
$85,782 + $157,396
$243,178
2014
$3,074 (+1.4%)
$82,839 + $151,996
$234,835
2012
$3,032 (+3.0%)
$82,465 + $151,310
$233,775
2011
$2,944 (+0.9%)
$80,849 + $148,344
$229,193
2010
$2,918 (+0.7%)
$79,264 + $145,436
$224,700
2009
$2,898 (+3.0%)
$78,672 + $144,350
$223,022
2008
$2,813
$78,859 + $144,693
$223,552
Tax history for 23120 Rio Lobos Rd
Year
Property tax
Land + Additions
Assessment*
2025
$4,091 (+6.7%)
$101,543 + $186,320
$287,863
2024
$3,834 (+2.3%)
$101,543 + $186,320
$287,863
2023
$3,747 (+2.2%)
$99,552 + $182,667
$282,219
2022
$3,667 (+2.1%)
$97,600 + $179,086
$276,686
2021
$3,592 (+1.3%)
$95,687 + $175,575
$271,262
2020
$3,548 (+1.9%)
$93,811 + $172,133
$265,944
2019
$3,482 (+5.5%)
$92,850 + $170,368
$263,218
2018
$3,301 (+4.6%)
$91,030 + $167,028
$258,058
2017
$3,157 (+3.4%)
$87,497 + $160,543
$248,040
2016
$3,054 (−0.5%)
$87,497 + $160,543
$248,040
2015
$3,068 (−0.2%)
$85,782 + $157,396
$243,178
2014
$3,074 (+1.4%)
$82,839 + $151,996
$234,835
2012
$3,032 (+3.0%)
$82,465 + $151,310
$233,775
2011
$2,944 (+0.9%)
$80,849 + $148,344
$229,193
2010
$2,918 (+0.7%)
$79,264 + $145,436
$224,700
2009
$2,898 (+3.0%)
$78,672 + $144,350
$223,022
2008
$2,813
$78,859 + $144,693
$223,552
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RLM
Low/Medium Density Residential District
The RLM zoning district is intended primarily for existing subdivided areas developed with detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be five dwellings per gross acre. The RLM zoning district is consistent with the low density residential land use category of the general plan.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space
Property details
Interior
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Exterior
Property Information
Subdivision Name: 37034
Living Sq. Ft: 1,747
# of Units: 1
Legal Description: TR=37034 LOT 25
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,631
Legal Lot Number: 25
Municipality Name: DIAMOND BAR
Acres: 0.1522
Zoning Code: LCR3800025U*
County Use Description: SINGLE FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 1,747
Stories: —
Lot Size: 6,631 square feet
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1984
County: Los Angeles County
APN: 8717029036
Home facts updated by county records on Jul 9, 2026
Around this home
Schools
Places
Transit
Maple Hill Elementary School
Public K-5 • Assigned • 1.0mi
10/10
Chaparral Middle School
Public 6-8 • Assigned • 0.8mi
10/10
Diamond Bar High School
Public 9-12 • Assigned • 2.3mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
The real estate market is becoming more balanced. Buyers have more inventory, more data, and more time to make informed decisions than they did a year ago. Well-priced homes are still moving quickly, but today’s market rewards preparation, strategy,...